122621015604 has 48 divisors (see below), whose sum is σ = 295865172288. Its totient is φ = 39503912448.

The previous prime is 122621015599. The next prime is 122621015687. The reversal of 122621015604 is 406510126221.

It is a super-2 number, since 2×122621015604² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396197 + ... + 1481420.

It is an arithmetic number, because the mean of its divisors is an integer number (6163857756).

Almost surely, 2^122621015604 is an apocalyptic number.

It is an amenable number.

122621015604 is an abundant number, since it is smaller than the sum of its proper divisors (173244156684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122621015604 is a wasteful number, since it uses less digits than its factorization.

122621015604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877744 (or 2877742 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 122621015604 in words is "one hundred twenty-two billion, six hundred twenty-one million, fifteen thousand, six hundred four".